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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f21_62_22496

©2013 UpToDate ® Print Email Aspiration of the olecranon bursa The patient is supine with the elbow flexed to 90 degrees and the forearm lying over the chest. Ethyl chloride or a comparable agent is applied to the skin for anesthesia. A 1.5 inch (3.75 cm), 16-gauge needle is inserted distally at the base of the bursa, nearly parallel to the ulna. 0.5 mL of lidocaine is injected subcutaneously prior to aspiration of bursal fluid. Courtesy of Bruce C Anderson, MD.